ISBN: 9787564653644 - 深井钻孔输冷采区集中降温理论与实践【映玥星图书】 (1 Ergebnisse)

paperback. Zustand: New. Paperback. Pub Date: 2022-05-01 Pages: 146 Language: Chinese Publisher: China University of Mining and Technology Press Theory and Practice of Concentrated Cooling in Deep Well Drilling and Cooling Mining Areas Aiming at the cooling loss of ground cooling and deep mining heat damage mines The control problem and its influence on the cooling effect were proposed. and the cooling scheme of the ground cooling through the deep stratum efficient cooling well was proposed. and a new composite struc.…